1925335821197 has 2 divisors, whose sum is σ = 1925335821198. Its totient is φ = 1925335821196.

The previous prime is 1925335821169. The next prime is 1925335821271. The reversal of 1925335821197 is 7911285335291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478816516356 + 446519304841 = 1216066^2 + 668221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1925335821197 - 2¹⁶ = 1925335755661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1925335821137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962667910598 + 962667910599.

It is an arithmetic number, because the mean of its divisors is an integer number (962667910599).

Almost surely, 2^{1925335821197} is an apocalyptic number.

It is an amenable number.

1925335821197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925335821197 is an equidigital number, since it uses as much as digits as its factorization.

1925335821197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 56.

The spelling of 1925335821197 in words is "one trillion, nine hundred twenty-five billion, three hundred thirty-five million, eight hundred twenty-one thousand, one hundred ninety-seven".